mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 06:44:00 -04:00
549cf05a21
Add binding for Sitronix ST7920 display. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patch.msgid.link/20251215-st7920-v7-1-36771009ec01@gmail.com
59 lines
1.2 KiB
YAML
59 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/display/sitronix,st7920.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Sitronix ST7920 LCD Display Controllers
|
|
|
|
maintainers:
|
|
- Iker Pedrosa <ikerpedrosam@gmail.com>
|
|
|
|
description:
|
|
The Sitronix ST7920 is a controller for monochrome dot-matrix graphical LCDs,
|
|
most commonly used for 128x64 pixel displays.
|
|
|
|
properties:
|
|
compatible:
|
|
const: sitronix,st7920
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
vdd-supply:
|
|
description: Regulator that provides 5V Vdd power supply
|
|
|
|
reset-gpios:
|
|
maxItems: 1
|
|
|
|
spi-max-frequency:
|
|
maximum: 600000
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- spi-max-frequency
|
|
|
|
allOf:
|
|
- $ref: /schemas/spi/spi-peripheral-props.yaml#
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
spi {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
display@0 {
|
|
compatible = "sitronix,st7920";
|
|
reg = <0>;
|
|
vdd-supply = <®_5v>;
|
|
reset-gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
|
|
spi-max-frequency = <600000>;
|
|
spi-cs-high;
|
|
};
|
|
};
|